CN109665593A - Ion exchange resin adsorbs the Processes and apparatus that DTRO produces water ammonia nitrogen - Google Patents
Ion exchange resin adsorbs the Processes and apparatus that DTRO produces water ammonia nitrogen Download PDFInfo
- Publication number
- CN109665593A CN109665593A CN201910030055.XA CN201910030055A CN109665593A CN 109665593 A CN109665593 A CN 109665593A CN 201910030055 A CN201910030055 A CN 201910030055A CN 109665593 A CN109665593 A CN 109665593A
- Authority
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- Prior art keywords
- ion exchange
- exchange resin
- ammonia nitrogen
- dtro
- water
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- Pending
Links
- 239000003456 ion exchange resin Substances 0.000 title claims abstract description 59
- 229920003303 ion-exchange polymer Polymers 0.000 title claims abstract description 59
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 22
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000010521 absorption reaction Methods 0.000 claims abstract description 23
- 239000002253 acid Substances 0.000 claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 230000003750 conditioning effect Effects 0.000 claims abstract description 10
- 230000008929 regeneration Effects 0.000 claims abstract description 9
- 238000011069 regeneration method Methods 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 6
- 229920005989 resin Polymers 0.000 claims abstract description 6
- 238000001179 sorption measurement Methods 0.000 claims description 43
- 239000007788 liquid Substances 0.000 claims description 15
- 239000010813 municipal solid waste Substances 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 6
- 238000005341 cation exchange Methods 0.000 claims description 3
- 238000005325 percolation Methods 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 229910017435 S2 In Inorganic materials 0.000 claims 1
- 238000012545 processing Methods 0.000 description 7
- 239000002699 waste material Substances 0.000 description 6
- 239000000149 chemical water pollutant Substances 0.000 description 5
- 238000005342 ion exchange Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 102000006391 Ion Pumps Human genes 0.000 description 1
- 108010083687 Ion Pumps Proteins 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000003483 aging Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229920001429 chelating resin Polymers 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The invention proposes the Processes and apparatus that a kind of ion exchange resin absorption DTRO produces water ammonia nitrogen, for producing the ammonia nitrogen in water using exchange resin tower absorption DTRO after percolate treatment process DTRO, to keep DTRO water outlet ammonia nitrogen up to standard；Regeneration washing is carried out to ion exchange resin using acid solution, cleaning solution is back to conditioning tank, circulation is formed, to solve the problems, such as that DTRO water outlet ammonia nitrogen is exceeded.
Description
Technical field
The present invention relates to technical field of sewage more particularly to a kind of ion exchange resin absorption DTRO to produce water ammonia nitrogen
Processes and apparatus.
Background technique
Leachate quality is influenced by Multiple factors such as crude waste property, the landfill time limit, land-fill methods, has pollutant dense
Degree height, complicated component, COD/ ammonia-nitrogen content are high, content of beary metal is high, water quality and quantity changes feature greatly, while landfill leachate
Water quality and quantity is affected by the landfill time limit, and for the landfill leachate of some agings, ammonia-nitrogen content is high, and biodegradability is poor.
As garbage loading embeading year increases, it can be up to 3000mg/L~4000mg/L, the ammonia permeated in filtrate is mostly deposited in the form of ammonia nitrogen
Accounting for about the 70%~80% of total nitrogen.With the sternness of environmental protection policy, the draining of garbage sanitary filling field, garbage transfer station is wanted
It asks and reaches 2 standard of " household refuse landfill sites contamination control standard " (GB16889-2008) table, COD emission limit 100mg/L；Ammonia
Nitrogen discharged limit value 25mg/L；Total nitrogen emission limit 40mg/L.
Garbage sanitary filling field, the percolate water yield of garbage transfer station are small, should not carry out large-scale engineering construction.One
As using vehicle-mounted removable two-stage DTRO embrane method equipment handle percolate.DTRO membrane technology is specific to high concentration, high salinity
The characteristics of waste water and researched and developed, to the rejection of COD, ammonia nitrogen in water between 90%-95%.Factory's water quality is filled with certain
" COD:6200mg/L, ammonia nitrogen 2870mg/L ", for, after two-stage DTRO processing, COD:80mg/L in water is produced, ammonia nitrogen:
42mg/L.Production water ammonia nitrogen is exceeded, remaining index is up to standard.
Chinese patent CN105836936A discloses a kind of ammonia nitrogen recovery method based on film Electro Sorb and ion exchange, should
Invention is a kind of ammonia nitrogen recovery method based on film Electro Sorb and ion exchange, including film Electro Sorb desalination pretreatment removal waste water
Three steps such as the bivalent cations such as middle calcium, magnesium, ion exchange adsorption ammonia nitrogen and ion exchange column desorption and regeneration recycling ammonia nitrogen.It should
Method can effectively solve the recycling problem of ammonia nitrogen in low ammonia nitrogen waste water existing for cation using film Electro Sorb desalination pretreatment,
Make to recycle ammonia nitrogen while sewage qualified discharge, greatly reduces regeneration of ion-exchange resin frequency, ion exchange
The ability of column adsorption recovery ammonia nitrogen is more than doubled.But the technique is not suitable for industrialization processing landfill leachate treatment system
The DTRO that unites produces the problem that ammonia-nitrogen content is exceeded in water.
Summary of the invention
In view of this, the invention proposes one kind can effectively remove the ammonia nitrogen produced in water, makes to be discharged qualified discharge, solve
The ion exchange resin absorption DTRO of the exceeded problem of DTRO water outlet ammonia nitrogen produces the Processes and apparatus of water ammonia nitrogen.
The technical scheme of the present invention is realized as follows: the present invention provides a kind of ion exchange resin absorption DTRO to produce water
The technique of ammonia nitrogen, comprising the following steps:
The DTRO high NH4 source water generated is squeezed into ion exchange resin adsorption tower, by ammonia nitrogen absorption by S1, adsorption process
Afterwards, the production water of ion exchange resin adsorption tower enters in water producing tank；
S2, regeneration washing process, squeeze into acid solution into ion exchange resin adsorption tower, to ion exchange resin adsorption tower into
Row cleaning, and cleaning solution is recycled.
On the basis of above technical scheme, it is preferred that in the S1, resin is using equal grain strong-acid type cation exchange tree
Rouge, the upflow velocity on raw water into absorption tower are 8m/h~10m/h.
On the basis of above technical scheme, it is preferred that in the S2, carried out again to ion exchange resin within every 8~10 days
Raw cleaning, cleaning solution are liquor natrii hypochloritis, and concentration is 10%~20%.
On the basis of above technical scheme, it is preferred that the recovery and rinsing liquid generated after the cleaning of S2 acid solution enters rubbish
Percolation liquid treating system is handled.
The present invention also provides the equipment that a kind of ion exchange resin absorption DTRO produces water ammonia nitrogen, including raw water tank, promotion
Pump, ion exchange resin adsorption tower, water producing tank, exhausted bath box, acid storage tank and acid pump, the raw water tank pass through elevator pump and ion
The inlet of exchanger resin adsorption tower is interconnected, and the liquid outlet and water producing tank of ion exchange resin adsorption tower are interconnected, institute
Acid storage tank is stated to be interconnected by the backwash inlet of acid pump and ion exchange resin adsorption tower, ion exchange resin adsorption tower
Backwash outlets and exhausted bath box are interconnected.
On the basis of above technical scheme, it is preferred that further include delivery pump and conditioning tank, the exhausted bath box passes through conveying
Pump is interconnected with conditioning tank.
The Processes and apparatus that ion exchange resin absorption DTRO of the invention produces water ammonia nitrogen have compared with the existing technology with
It is lower the utility model has the advantages that
(1) technique of the invention can solve refuse landfill, garbage burning factory, leachate in garbage transfer station process
The exceeded problem of water ammonia nitrogen is produced after DTRO processing；
(2) the device of the invention uses circulation technology, and the waste liquid that regeneration washing process generates is directly entered percolate processing
System conditioning tank, waste liquid enter system circulation processing, this technique does not have to separately dispose waste liquid；
(3) the device of the invention overall structure is simple, and treatment effect is obvious, while occupied area is small, has fabulous answer
Use prospect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the process flow chart that ion exchange resin of the invention adsorbs that DTRO produces water ammonia nitrogen；
Fig. 2 is the equipment connection schematic diagram that ion exchange resin of the invention adsorbs that DTRO produces water ammonia nitrogen.
In figure: 1- raw water tank, 2- elevator pump, 3- ion exchange resin adsorption tower, 4- water producing tank, 5- exhausted bath box, the storage of 6- acid
Tank, 7- acid pump, 8- delivery pump, 9- conditioning tank.
Specific embodiment
Below in conjunction with embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clearly and completely
Description, it is clear that described embodiment is only some embodiments of the invention, rather than whole embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments shall fall within the protection scope of the present invention.
As shown in Figure 1, the technique that ion exchange resin absorption DTRO of the invention produces water ammonia nitrogen comprising following steps:
The DTRO high NH4 source water generated is squeezed into ion exchange resin adsorption tower, by ammonia nitrogen absorption by S1, adsorption process
Afterwards, the production water of ion exchange resin adsorption tower enters in water producing tank；
S2, regeneration washing process, squeeze into acid solution into ion exchange resin adsorption tower, to ion exchange resin adsorption tower into
Row cleaning, and cleaning solution is recycled.
Embodiment of above carries out adsorption treatment to DTRO treated raw water using ion exchange resin, effectively solves warp
The problem that ammonia nitrogen concentration existing for raw water is excessively high after DTRO is handled is crossed, and treatment process of the invention is closed-loop process, in addition to row
Out be that the waste liquid after other cleaning solutions and absorption can recycle again, safety and environmental protection outside the production water of qualified.
In a specific embodiment, in the S1, resin uses equal grain strongly acidic cation-exchange, and raw water is into suction
The upflow velocity for receiving tower is 8m/h~10m/h.
In a specific embodiment, in the S2, regeneration washing, cleaning were carried out to ion exchange resin in every 8~10 days
Liquid is liquor natrii hypochloritis, and concentration is 10%~20%.
In a specific embodiment, the recovery and rinsing liquid generated after the cleaning of S2 acid solution enters landfill leachate treatment system
System is handled.
As shown in Fig. 2, the equipment that a kind of ion exchange resin absorption DTRO produces water ammonia nitrogen, including raw water tank 1, elevator pump 2,
Ion exchange resin adsorption tower 3, water producing tank 4, exhausted bath box 5, acid storage tank 6 and acid pump 7, the raw water tank 1 by elevator pump 2 with
The inlet of ion exchange resin adsorption tower 3 is interconnected, and the liquid outlet and water producing tank 4 of ion exchange resin adsorption tower 3 are mutual
Connection, the acid storage tank 6 are interconnected by the backwash inlet of acid pump 7 and ion exchange resin adsorption tower 3, amberlite
The backwash outlets and exhausted bath box 5 of rouge adsorption tower 3 are interconnected.
It in a specific embodiment, further include delivery pump 8 and conditioning tank 9, the exhausted bath box 5 is by delivery pump 8 and adjusts
Pond 9 is saved to be interconnected.
The device structure that embodiment of above intermediate ion exchangeization resin adsorption DTRO produces water ammonia nitrogen is simple, while equipment is
Closed loop design, exporting discharge is the qualified production water of processing, and pickling solution and waste liquid then enter conditioning tank, in conditioning tank with needs
The landfill leachate mixing of processing is again introduced into percolation liquid treating system, eventually re-enters DTRO and ion exchange resin absorption
It is handled in equipment, realization zero-emission substantially.
Embodiment 1
DTRO output raw water quality is analyzed, determines that influent ammonia nitrogen content is 42mg/L.
Raw water is squeezed into ion exchange resin adsorption tower 3 by elevator pump 2 by S1, and raw water is into ion exchange resin adsorption tower 3
Upflow velocity be 8m/h, absorptivity of the ammonia nitrogen in ion exchange resin adsorption tower 3 is 73% in raw water, and water outlet, which enters, produces water
Qualified discharge after case 4；
After above-mentioned reaction, it is finally discharged ammonia nitrogen≤25mg/L, is met " household refuse landfill sites contamination control standard "
(GB16889-2008) 2 standard of table.
Embodiment 2
DTRO output raw water quality is analyzed, determines that influent ammonia nitrogen content is 47mg/L.
Raw water is squeezed into ion exchange resin adsorption tower 3 by elevator pump 2 by S1, and raw water is into ion exchange resin adsorption tower 3
Upflow velocity be 9m/h, absorptivity of the ammonia nitrogen in ion exchange resin adsorption tower 3 is 68% in raw water, and water outlet, which enters, produces water
Qualified discharge after case 4；
After above-mentioned reaction, it is finally discharged ammonia nitrogen≤25mg/L, is met " household refuse landfill sites contamination control standard "
(GB16889-2008) 2 standard of table.
Embodiment 3
DTRO output raw water quality is analyzed, determines that influent ammonia nitrogen content is 40mg/L.
Raw water is squeezed into ion exchange resin adsorption tower 3 by elevator pump 2 by S1, and raw water is into ion exchange resin adsorption tower 3
Upflow velocity be 10m/h, absorptivity of the ammonia nitrogen in absorption tower is 70% in raw water, and water outlet enters row up to standard after water producing tank 4
It puts；
After above-mentioned reaction, it is finally discharged ammonia nitrogen≤25mg/L, is met " household refuse landfill sites contamination control standard "
(GB16889-2008) 2 standard of table.
The foregoing is merely better embodiments of the invention, are not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of technique that ion exchange resin absorption DTRO produces water ammonia nitrogen, which comprises the following steps:
The DTRO high NH4 source water generated is squeezed into ion exchange resin adsorption tower by S1, adsorption process, after ammonia nitrogen absorption,
The production water of ion exchange resin adsorption tower enters in water producing tank；
S2, regeneration washing process, squeeze into acid solution into ion exchange resin adsorption tower, carry out to ion exchange resin adsorption tower clear
It washes, and cleaning solution is recycled.
2. the technique that ion exchange resin absorption DTRO as described in claim 1 produces water ammonia nitrogen, which is characterized in that the S1
In, resin uses equal grain strongly acidic cation-exchange, and the upflow velocity on raw water into absorption tower is 8m/h~10m/h.
3. the technique that ion exchange resin absorption DTRO as described in claim 1 produces water ammonia nitrogen, which is characterized in that the S2
In, regeneration washing being carried out to ion exchange resin in every 8~10 days, cleaning solution is liquor natrii hypochloritis, concentration is 10%~
20%.
4. the technique that ion exchange resin absorption DTRO as described in claim 1 produces water ammonia nitrogen, which is characterized in that through S2 acid solution
The recovery and rinsing liquid generated after cleaning enters garbage percolation liquid treating system and is handled.
5. a kind of equipment that ion exchange resin absorption DTRO produces water ammonia nitrogen, which is characterized in that including raw water tank (1), elevator pump
(2), ion exchange resin adsorption tower (3), water producing tank (4), exhausted bath box (5), acid storage tank (6) and acid pump (7), the raw water tank
(1) it is interconnected by the inlet of elevator pump (2) and ion exchange resin adsorption tower (3), ion exchange resin adsorption tower (3)
Liquid outlet and water producing tank (4) be interconnected, the acid storage tank (6) passes through acid pump (7) and ion exchange resin adsorption tower (3)
Backwash inlet be interconnected, the backwash outlets of ion exchange resin adsorption tower (3) and exhausted bath box are interconnected.
6. a kind of equipment that ion exchange resin absorption DTRO produces water ammonia nitrogen as claimed in claim 5, which is characterized in that also wrap
Delivery pump (8) and conditioning tank (9) are included, the exhausted bath box (5) is interconnected by delivery pump (8) and conditioning tank (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030055.XA CN109665593A (en) | 2019-01-12 | 2019-01-12 | Ion exchange resin adsorbs the Processes and apparatus that DTRO produces water ammonia nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030055.XA CN109665593A (en) | 2019-01-12 | 2019-01-12 | Ion exchange resin adsorbs the Processes and apparatus that DTRO produces water ammonia nitrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109665593A true CN109665593A (en) | 2019-04-23 |
Family
ID=66149450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910030055.XA Pending CN109665593A (en) | 2019-01-12 | 2019-01-12 | Ion exchange resin adsorbs the Processes and apparatus that DTRO produces water ammonia nitrogen |
Country Status (1)
| Country | Link |
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| CN (1) | CN109665593A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117135A (en) * | 2019-05-23 | 2019-08-13 | 武汉天源环保股份有限公司 | Method for treating garbage percolation liquid |
| CN110152379A (en) * | 2019-05-13 | 2019-08-23 | 大唐淮南洛河发电厂 | A kind of resin regenerating device being convenient for changing strainer |
| CN113045026A (en) * | 2019-12-29 | 2021-06-29 | 宝山钢铁股份有限公司 | Combined process for treating ammonia nitrogen in acid regeneration wastewater |
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| CN110152379A (en) * | 2019-05-13 | 2019-08-23 | 大唐淮南洛河发电厂 | A kind of resin regenerating device being convenient for changing strainer |
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